OOAD Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOAD Interview Questions

Questions Answers Views Company eMail

If a method definition has been specified in class , its base class , and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

708

What is difference between encapsulation and abstraction?

713

Difference between encapsulation and data hiding ?

644

Difference between abstraction and implementation hiding ?

794

What are the features of encapsulation ?

716

Difference between composition and inheritance ?

689

Are constructors inherited? Can a subclass call the parent's class constructor? When?

729

Can we reduce the visibility of the inherited or overridden method ?

760

Which of the following is tightly bound ? Inheritance or composition ?

1 1267

Does a class inherit the constructor of its super class?

667

How many methods do u implement if implement the serializable interface?

691

What does the “abstract” keyword mean in front of a method? A class?

712

How many methods are there in the externalizable interface?

721

What interface must an object implement before it can be written to a stream as an object?

809

What does it mean that a method or class is abstract?

679

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Un-Answered Questions { OOAD }

Explain about message passing in object oriented programming?

744

What are Classes and Objects?

746

What are extrinsic and intrinsic connections in object-oriented programming?

698

What is the use of finalize method?

732

What is an interface?

748

What are the rules to define a functional interface?

687

How can I be thrown polymorphically?

725

What are the different principle of OOPS?

737

What is the difference between function overloading and over riding?

734

Difference between composition and inheritance ?

689

What is the difference between a virtual method and an abstract method?

693

Write basic concepts of oops?

720

Does a class inherit the constructor of its super class?

667

Can we override static methods? Why?

662

What are the Differentiate between abstraction and encapsulation.

631

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